REPAIR AND MAINT OF CI GI DI PIPE LINES PUMPING SETS SULICE FOOT VALVES NRV VALVE CHAMBER LT CONTROL PANNEL ETC INCLUDING CLEANING OF OH TANKS AND UG SUMP IN NCAT TECH AREA RESIDENTIAL AREA AND BHINGAR AREA AT VRDE AHMEDNAGAR

Amount

Excavation in trenches, not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for laying GI/DI/CI tubing and getting out trimming the sides, forming bottom surface to required level in soft/loose soil complete all as specified and as directed.

Returning, filling in , including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick after laying and testing of cable complete all as specified and as directed.

Removing excavated material not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed.

S & F in replacement Bib taps 15mm dia, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule.

Supply and fix in replacement gun metal gate valve ISI marked with iron wheel head, screwed both ends for iron pipes including taking down the existing unserviceable one of following sizes: (a) 20 mm dia.

(b) 25 mm dia.

( c) 40 mm dia.

Taking down the steel tubing and connections in trenches, wall / floor including cleaning for refixing or removal to store for pipe line of following bore:- (a) 15 mm dia bore.

(b) 20 mm dia bore

(c) 25 mm dia bore

(d) 40 to 50 mm dia bore

(e) 80 mm dia bore

(f) 100 mm dia bore

Supply and laying steel tubes, galvanised,"medium " grade, including necessary GI fitting such as elbows, bends, Tees , Unions, nipples etc, laid in trenchesfixed on wall/floor/ceiling complete with fixing accessories such as clamps, hooks etc , all as specified for following size:- (a) 15 mm bore pipe

(b) 20 mm dia pipe

(c) 25 mm dia pipe

(d) 40 mm dia pipe

(e) 50 mm dia pipe

(f) 80 mm dia pipe

(g) 100 mm dia pipe.

Laying only in trenches/wall/floor, in old or new position, old GI pipes obtained from item No-01 after necessory cleaning internally and externally both, returning the old screw threads and replacement of all old fittings of size of pipe 15mm.

All as per above item No- 08 but of size 20 mm dia.

All as per above item No- 08 but of size 25 mm dia.

All as per above item No- 08 but of size 40 mm dia.

All as per above item No- 08 but of size 50 mm dia.

All as per above item No- 08 but of size 80 mm dia.

All as per above item No- 08 but of size 100 mm dia.

M&L for Taking up and down CI / DI water mains including all fittings lead / tyton jonints, buring out of joints and recovering lead for the following bore sizes of pipes complete all as specified and directed. Note:- Earth work /excavation for taking out pipe lines shall be measured and paid separately under relevant items. (a) 200 mm dia

(b) 100 mm dia

M & L for Cast iron pipes with spigot and socket ends centrifugally cast class LA in any length laid in trenches for the following bore size of pipe complete all as specified and directed. (a) 200 mm dia

(b) 100 mm dia

M & L for ductile iron pipes 200 mm dia with spigot and socket ends centrifugally cast in any lenth laid in trenches complete all as specified and directed.

M&L Taking out sluice valves refacing, regrinding and refixing for following diameters of pipe line. a) 200 mm dia

b) 150 mm dia

c) 100 mm dia

d) 80 mm dia

M&L for run lead joint in position of size 200 mm CI/DI pipes by burning out existing joints,recovering lead, cleaning internal surfaces of socket and providing new joints with using recovered lead and additional new lead,and new spenyarn making joint leak proof.

All as per item No 19 above but Size of CI/DI pipe 150mm.

All as per item No 19 above but Size of CI/DI pipe 100mm.

Supply and fix in replacement sluice valve both ends flanged, ISI marked with CI body, heavy duty, high pressure with CI wheel and stainless steel spindle of class PN 1.6 complete including rubber gasket and suitable size ms bolts, nuts and washers all as specified and directed of following sizes: (a) 80 mm dia pipe.

(b) 100 mm dia pipe

(c) 150 mm dia pipe

(d) 200 mm dia pipe

Material and labour for flanged joint including nut, bolt and gasket of the following sizes: (a) 80 mm dia pipe

(b) 100 mm dia pipe

(c) 150 mm dia pipe

(d) 200 mm dia pipe

M&L for lead wool joint in position of size 200 mm CI/DI pipes by providing new additional lead wool all as directed by Engr-in-charge.

M&L for lead wool joint in position of size 150 mm CI/DI pipes by providing new additional lead wool all as directed by Engr-in-charge.

M&L for lead wool joint in position of size 100 mm CI/DI pipes by providing new additional lead wool all as directed by Engr-in-charge.

Supply and fix in replacement Stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed of folloeing size (a) 25 mm dia

(b) 20 mm dia

M&L for CI specials such as bends (any radious, type, angle) tapers any type ,straight bend, increasing decreasing or double socket etc tee pieces any type, single branch, 'y' junctions, double branch, cross all sockets or socket and spigot/ flanged, collers and plugs etc suitable for CI pipes class LA of size upto 200 mm bore dia complete all as directed.

M & L for cutting existing road black top surfaces of required width and depth for laying of pipe line, refilling and making good after laying of pipe with removed soil and finally sealed with cement concrete of thickness not less than 100 mm to match with the top surface of Road.(Cement concrete shall be measured and paid seperately under appropriate item)

Supply and fixing (in repair ) mechanical joint made out of MS sheet fabricated as per existing site requirement including long MS nuts bolts rubber gasket cutting of pipe of any size GI/CI/MS/AC/DI pipe all as directed by Engr-in-charge of following sizes:- a) 200 mm bore

b) 100 mm bore

Excavate the leakage pipe line site and find the leakage and repair of GI pipe line up to 50 mm bore by cutting pipe line and inserting required necessary repairing fittings (such as tee, elbow, socket, union, nipple ) etc and testing after repair complete and plug the open line all as directed.Note : (i) Cost of excavation, earth work and repairing material will be deemed to be included in the quoted rate. (ii) T&P will be issued by the contractor. (iii) Leakage will be repaired within 12 hrs.

All as per above item No-31 but above 50 mm and upto 80mm dia.

Excavate the leakage pipe line site and find the leakage and repair of CI/DI/PCC pipe line upto 200mm dia. Note : Cost of excavation, earth work will be included in quoted rate by the contractor and repairing material and labour such as joints, CI special will be measured and paid separate under relevent items.

S&F in replacement of stainless steel spindle with check nut / Hub nut (Gun Metal) and collars suitable for existing sluice valve of following size of any make complete all as specified and directed by Engineer-in-charge. (a) 200 mm

Supply and fixing in replacement CI non return valves for existing pump sets with by pass arrangement incl nuts, bolts, wahsers and gaskets etc all as per required at site of size of 80mm dia all as directed by Engr in Charge

All as per above item N0-35 but 100 mm dia.

Taking down the pump set 7.5 HP, submersible type from U/G sump by disconnecting mechanically from the foundation/pipe line etc. and transporting to the work shop for servicing / overhauling including replacing the bearings (DE & NE), impeller(5 Nos), stud, cleaning the impeller, cleaning impeller shaft/reconditioning the shaft on Lathe etc reinstalled in all respect for smooth functioning all as directed by Engineer-in-charge.

All as per above item No-37 but pump set 15 HP.

Taking down the defective submersible pump 7.5 HP from raw water shallow well by discoonnecting electrically and mechanically and transport to workshop, dismantling the motor, removal of burnt out winding, cleaning the all slot with CTC solution. Rewinding motor with supper enamelled copper winding wire of same gauge as existing. Providing paper insulation of class 'F' and fire proof sleeves warnishing the complete winding and dried the warnish by right heat process. Reassembling the motor greasing, oiling and painting with single coat of synthetic enamelled paint of existing colour including replacement of both the bearing. Retransportation the motor from workshop to site. Installation, connecting motor electrically / mechanically and testing all as specified.

All as per above item No-39 but submersible pump set 15 HP.

Supply and fixing in repair switch disconnector fuse unit 32 Amps (in open execution), 415 volt, TPN complete including fuses & dismantaling old unit from panel all as directed by Engr-in-Charge.

S&F Push botton start & stop (Red & Green) for star- delta starter upto 15 HP pump motor.

S&F replacement LED digital Voltmeter CL-0.5 flush mounting 96x96mm complete . Make : L&T or equivalent of Havells/C&S.

S&F in replacement LED digital Amp meter CL-0.5 flush mounting 96x96mm complete. Make : L&T or equivalent of Havells/C&S.

Supply and fix in repair single phase preventor suitable for 7.5 HP to 15 HP pump sets. Make : L&T or equivalent

Supply and fix over load relay of rating 14 Amp to 23 Amps. Make : L&T or equivalent of Havells/C&S.

Supply & fix of PVC flat 3 core copper conductor cable 6 Sqmm for submersible pump.

Supply and fix in repair power contactor 18 Amps, AC, TP, 415 volt, 50 Hz with AC coil complete. Make : L&T or equivalent of Havells/C&S.

Supply and fix in repair power contactor 25 Amps, AC, TP, 415 volt, 50 Hz with AC coil complete. Make : L&T or equivalent of Havells/C&S.

Supply and fix in repair power contactor 40 Amps, AC, TP, 415 volt, 50 Hz with AC coil complete. Make : L&T or equivalent of Havells/C&S.

Supply and fixing in repair Direct on line (DOL) starter in sheet metal enclosure with single phase protection for 7.5 HP motor, 3 phase, 415 volt all as directed by Engr-in-Charge.

S&F MCB TPN 40 Amps, 415 Volt complete.

S & F Cast Iron foot valve 80 mm dia including taking down old unserviceable foot valve from water sump all as specified and directed by Engr-in-Charge.

All as per above item No -53 but foot valve 100 mm dia.

Demolition of cement concrete of any description and in any position, removing demolished material from site, filled up the disturbed concrete surfaces with cement conctete as orded.(Cement concrete shall be measured and paid seperately under appropriate item)

M & L for cement concrete 1:2:4 type B2 using 40mm/20mm stone aggregate, as in repairs to RCC pipe line/ Valve pits / disturbed hard standing or any other repair as required at site at any situation all as specified as directed.

Demolition Brick work or stone / boulder masonry, built in cement mortar of any description and at any situation as ordered, Removing materials from site.

M & L for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius and built in cement morter 1:4 as in repair/raising /making of valve pit chamber or other repairs.

Rendering 15mm thick plaster on fair faces of brick work or concrete surfaces with CM 1:4.

Dismantling wrought iron or mild steel work of any description damaged/ broken MS valve pit cover(frame with sheet).

Supply, fabricate and fixing MS framed grills,gratings, framed guard bars,ladder, framework of Valve pit cover, water tanks etc, or similar work as ordered and febricated from MS rolled section of any size and shape as directed and fixed at position with all fixing accessories complete. (Fixing of MS sheet where required shall be measured and paid seperately)

M & L for MS plate /sheet plain or chequered, 3.00 mm thick cut to pieces as required and fixed to MS frame work by means of Electric arc/gas welding all as directed and specified.

M & L for Preparation of new metal surfaces of any description, over 10 cm in width or girth and applying two coat of synthetic enamel paint over a coat of red oxide.

Surface Dressing n.exc 15 cm deep and getting out green vegetation, roots etc around pump house/power station etc as directed by Engineer-in-charge.

Cleaing of the following OHR and UG sump of various capacity at different location by using cleaning material such as wire brush, bleaching powder solution etc. to remove all scale, dirts, and sludges from inner surfvace of the tank and applying one coat of pot land white cement wash fully inside the surface of reservoir / sump and applying two coats of synthetic enamel paint to the metal surface such as ladder / rungs and manhole cover etc. and re-writing the date of cleaning and capacity in white letter over the tank base (a) Overhead Reservoir 50000 GLN capacity, 6 Mtr Staging

(b) Overhead Reservoir 75000 GLN capacity, 25 Mtr Staging

(c) UG Sump 40000 GLN capacity

(d) UG Sump 75000 GLN capacity

(f) UG Sump 100000 GLN capacity

(e) UG Sump 150000 GLN capacity

M&L for Painting to GI Pipe 80 mm dia suction and delivery pipe line 10 to15 HP pump set at VRDE pump House and Bhingar pump house with two coat of synthetic enamel blue paint complete all as per specified and directed by Engr -in-Charge.

All as per above item No- 66 but of 100 mm dia.

Supply only granular / powder based calcium hypochlorite having 60% to 70% available chlorine packed in 45 kg plastic drums for water treatment chemical each all as specified and directed by Engineer-in-charge. Make:- Sree Rayalseema.

Material and labour for rewinding the 15HP, 3 phase, 415V monobloc pumpset by dismantling from its position and taking to workshop, opening the pumpset, cleaning and carrying out the following repair works: (a) Cutting and taking out the burnt coils. (b) Rewinding the stator with highly insulated copper windings conductors of the same gauge including super enamelled varnishing and drying itin oven. (c) Checking the rotor assembly in the lathe and balancing it. (d) Replacing the steel bush on pump side. (e) Replacing the ball bearings on both DE and NDE. (f) Replacing the motor's terminals. (g) Assembling, installing and testing complete as directed by Engr-in-Charge.

All as per above item No-69 Above but for motor pump set 10 HP capacity.

All as per above item No-69 Above but for motor pump set 5 HP to 7.5 HP capacity.

Disconnecting existing old water level indicator including supply and fixing with new digital electronic type water level indicator complete with sensor monitor, Copper cable of suitable core, size and length and alram system with control box complete in all respect for overhead / UG reservoir all as specified and as directed by Engr-in-charge.

Material and labours earthings complete with galvanized steel earth plate electrode 600 mm by 600 mm by 6mm thick, burried directly in ground (Earth pit not less than 3.5 metres deep below ground level) , surrounded from all direction with charcoal dust and salt in layers, the top edge of the earth plate not less than 2.75 metre below ground level, connected to galvanized iron strip 32×6mm as earthing lead and 40 mm bore GI pipe light grade for protection of GI strip. fixed by means of bolts, nuts and washers of galvanized iron and connected to earth test point and equipment and testing on completion including excavation and earthwork in any type of soil, PCC chamber in 1 :2:4 using 20 mm graded stone aggregate, CI cover of size 280 mm by 280 mm by 10 mm thick, 20 mm GI pipe light grade for watering, funnel, wire mesh complete all as specified and shown on electrical plate No 5 of MES Schedule Part ‘I’( 1991). Note - Cost of GI Strip upto 7.5 RM is deemed to be included in the quoted rate.

Supply and laying of PVC Copper conductor cable 1100 Volts grade 6 Sqmm 6 core all as directed.

Desilting of deep shallow well depth 45 ft by pumping out the water cleaning the inner wall with wire brush bleaching powder solution and removing all the scales dirts and mud from the bottom of the well and applying one coat of white wash to the inner surface and painting the steel surface with two coat of synthetic enamle paint incl MS angle / mess fixed on top of the well all as directed by Engr -in- charge.

SKS Electricals